_ST-8810.book Seite 17 Donnerstag, 2. Februar 2006 11:24 11
ST-8810
Emissivity values:
Substance
Asphalt
Concrete
Cement
Sand
Earth
Water
Ice
Snow
Glass
Ceramic
Marble
Plaster
Mortar
Brick
Thermal
Substance
emissivity
0.90 to 0.98
Cloth (black)
0.94
Human skin
0.96
Lather
0.90
Charcoal (powder)
0.92 to 0.96
Lacquer
0.92 to 0.96
Lacquer (matt)
0.96 to 0.98
Rubber (black)
0.83
Plastic
0.90 to 0.95
Timber
0.90 to 0.94
Paper
0.94
Chromium oxides
0.80 to 0.90
Copper oxides
0.89 to 0.91
Iron oxides
0.93 to 0.96
Textiles
Notes
Thermal
emissivity
0.98
0.98
0.75 to 0.80
0.96
0.80 to 0.95
0.97
0.94
0.85 to 0.95
0.90
0.70 to 0.94
0.81
0.78
0.78 to 0.82
0.90
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